package com.clms.system.myconfig;

import com.clms.system.myrealm.MyRealm;
import org.apache.shiro.authc.credential.CredentialsMatcher;
import org.apache.shiro.authc.credential.HashedCredentialsMatcher;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.filter.DelegatingFilterProxy;
import org.springframework.web.server.session.DefaultWebSessionManager;

import javax.servlet.Filter;
import java.util.LinkedHashMap;
import java.util.Map;

/**
 * @program: clms-third
 * @description: shiroconfig
 * @author: 大鱼
 * @create: 2021-07-17 14:25
 **/
@Configuration
public class ShiroConfig {
    @Bean
    public DefaultWebSecurityManager webSecurityManager() {
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        securityManager.setRealm(myRealm());
        return securityManager;
    }

    @Bean
    public MyRealm myRealm() {
        MyRealm myRealm = new MyRealm();
        myRealm.setCredentialsMatcher(credentialsMatcher());
        return myRealm;
    }

    @Bean
    public CredentialsMatcher credentialsMatcher() {
        HashedCredentialsMatcher hashedCredentialsMatcher = new HashedCredentialsMatcher();
        hashedCredentialsMatcher.setHashAlgorithmName("MD5");
        hashedCredentialsMatcher.setHashIterations(1024);
        return hashedCredentialsMatcher;
    }

    @Bean("shiroFilter")
    public ShiroFilterFactoryBean shiroFilterFactoryBean() {
        ShiroFilterFactoryBean shiroFilterFactoryBean = new ShiroFilterFactoryBean();
        shiroFilterFactoryBean.setSecurityManager(webSecurityManager());
        Map<String, String> map = new LinkedHashMap<>();
        map.put("/system/login", "anon");
        map.put("/**", "anon");
        shiroFilterFactoryBean.setFilterChainDefinitionMap(map);
        return shiroFilterFactoryBean;
    }

    @Bean
    public FilterRegistrationBean<Filter> filterFilterRegistrationBean() {
        FilterRegistrationBean<Filter> registrationBean = new FilterRegistrationBean<>();
        registrationBean.setFilter(new DelegatingFilterProxy());
        registrationBean.setName("shiroFilter");
        registrationBean.addUrlPatterns("/*");
        return registrationBean;
    }
}
